{"app_store_id":888963581,"slug":"white-noise-hq-sound-machine-888963581","name":"White Noise HQ: sound machine","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/44/4a/d6/444ad63d-43a4-489c-633e-b8b9877f5b9f/AppIconWhiteNoiseHQ-0-0-1x_U007emarketing-0-10-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/white-noise-hq-sound-machine/id888963581?uo=4","price":0,"currency":"USD","rating":4.75476,"rating_count":11968,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Health & Fitness","version_date":"2026-09-26T14:22:45Z","updated_at":"2026-10-22T12:51:13.508Z","stale":false,"missing_since":null,"one_liner":"Sound machine app with 75+ free live-recorded white noise sounds for sleep, relaxation, noise blocking and focus.","verified_maker":false,"maker_site":null,"file_size_bytes":76870656,"minimum_os":"15.0","content_rating":"4+","language_count":11,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/78/2b/2c/782b2ce5-6a51-1fb7-dad9-e1260254cec0/white-noise-hq-template-iOS-1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b5/b6/c5/b5b6c59d-721b-b27b-fda3-b24fe7eaf71e/white-noise-hq-template-iOS-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7c/1a/5b/7c1a5b07-6203-b698-2798-459407144a71/white-noise-hq-template-iOS-3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f4/8d/0e/f48d0eb1-36a1-e135-4c84-7e23924d453e/white-noise-hq-template-iOS-11-en-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7d/dc/d6/7ddcd669-be79-d493-f603-edc061d80ece/e7496d93-a06a-4e48-9be4-d0a142074ba6_white-noise-hq-template-iOS-11-en-3.png/392x696bb.png"],"developer_name":"Phase4 Mobile, Inc.","editors_choice":null,"url":"https://apptierlist.com/apps/white-noise-hq-sound-machine-888963581/","api_url":"https://apptierlist.com/api/v1/apps/white-noise-hq-sound-machine-888963581","schema_version":"1.0","generated_at":"2026-10-23T05:52:53.410Z","data_as_of":"2026-10-23T05:44:12.543Z","description":"“There are a lot of white noise apps available in the App Store, but this one is by far the most robust. “ -Engadget.com\n\nSleep, relax, block noise, and increase focus with over 250 authentic live-recorded white noise sounds from around the world.\n\nWhite Noise HQ provides a beautiful library of high-resolution stereo recordings, individually selected for their noise-blocking qualities.\n\nAnd 75+ high-quality sounds can be downloaded for FREE, without a subscription!\n\nTransform your bedroom, baby’s room, hotel room, or office with:\n•Steady rain showers\n•Flowing waterfalls and streams\n•Rhythmic ocean surf\n•Evening crickets \n•Blowing wind\n•Fans and household appliances\n•Humming factories\n•Highways and trains\n•White, pink, brown and green noise\n\nYou can also blend up to 6 sounds to create your perfect background mix.\n\nAnd you can fine-tune your sounds with a Color Filter!\n\nWhite Noise HQ includes for FREE: Over 75 high-quality stereo recordings, unlimited 6-sound mixes, and an auto-shutoff timer.\n\nSubscribe to get 250+ high-quality sounds with all future sound additions, a powerful Color Filter, and no ads.\n\nImprove your sleep, block noise, and increase focus with White Noise HQ starting tonight.\n\nWhite Noise HQ features:\n\n• Over 75 natural sounds recorded on location around the world (over 250 with subscription)\n• Long high-quality stereo recordings\n• Easy-to-create blended mixes of any 6 sounds\n• Color filter to fine-tune your sounds (unlimited use with subscription)\n• Beautiful high-definition images from around the globe\n• Modern easy-to-use interface, tailored for nighttime use\n• Runs in background while using other apps or when the screen is locked\n• Sleep timer with slow audio fade-out, settable with a simple tap\n• Mixes with other sound apps such as Music or Audiobooks\n\nDownload White Noise HQ now.\n\n\nTerms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/\nPrivacy Policy: https://phase4mobile.com/privacy-policy/\n\nImage Credits: http://www.phase4mobile.com/image-credits/","facts":{"developer_id":787654481,"developer_url":"http://www.phase4mobile.com","first_released":"2014-08-27T08:25:57Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"5.6","release_notes":"• Bug fixes and performance improvements.","rating_current_version":4.75476,"rating_count_current_version":11968,"star_counts":null,"genres":["Health & Fitness","Productivity"],"languages":["NL","EN","FR","DE","IT","JA","PT","RU","ZH","ES","SV"],"content_advisories":null,"device_families":null,"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-22T12:51:13.508Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-17T13:58:13.486Z","placed_at":"2026-10-15T06:20:53.125Z","scored_at":"2026-10-23T05:44:12.543Z"},"editorial":{"one_liner":"Sound machine app with 75+ free live-recorded white noise sounds for sleep, relaxation, noise blocking and focus.","what_is":"White Noise HQ is a sound machine app in the Health & Fitness category. It offers over 250 live-recorded white noise sounds, including rain, waterfalls, ocean surf, wind, fans, factories and traffic, plus white, pink, brown and green noise. Over 75 sounds, unlimited 6-sound mixes and an auto-shutoff timer are free, while a subscription adds the remaining sounds, a Color Filter and no ads.","good_for":["Falling asleep in a bedroom, baby's room or hotel room","Blocking background noise in an office","Mixing up to 6 sounds as background audio while using other apps"],"pricing":"White Noise HQ: sound machine is free to download on the App Store.","faq":[{"q":"Is White Noise HQ free?","a":"It is free to download. Over 75 sounds, unlimited 6-sound mixes and an auto-shutoff timer are included for free. A subscription unlocks 250+ sounds, the Color Filter and no ads."},{"q":"Can it keep playing when the screen is locked or other apps are open?","a":"The listing says it runs in the background while using other apps or when the screen is locked, and that it mixes with other sound apps such as Music or Audiobooks."},{"q":"What sounds are included?","a":"The listing includes rain, waterfalls and streams, ocean surf, crickets, wind, fans and household appliances, factories, highways and trains, plus white, pink, brown and green noise."}],"model":"claude-haiku-5-5","created_at":"2026-10-17T13:58:13.486Z"},"memberships":[{"list":"white-noise","list_name":"white noise","list_status":"active","list_url":"https://apptierlist.com/best/white-noise/","position":6,"tier":"S","score":91,"components":{"rating":94.8,"votes":81.5,"rank":87.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-15T06:20:53.125Z"},{"list":"nature-sounds","list_name":"nature sounds","list_status":"active","list_url":"https://apptierlist.com/best/nature-sounds/","position":21,"tier":"C","score":69.1,"components":{"rating":94.8,"votes":81.5,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-15T06:20:53.125Z"},{"list":"sleep-sounds","list_name":"sleep sounds","list_status":"active","list_url":"https://apptierlist.com/best/sleep-sounds/","position":43,"tier":null,"score":69.1,"components":{"rating":94.7,"votes":81.5,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-15T06:20:53.125Z"},{"list":"sleep-improvement","list_name":"sleep improvement","list_status":"active","list_url":"https://apptierlist.com/best/sleep-improvement/","position":70,"tier":null,"score":69.1,"components":{"rating":94.8,"votes":81.5,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-15T06:20:53.125Z"}],"main_list":"white-noise","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":189428,"at":"2026-10-21T09:25:12.586Z","kind":"tier_changed","list":"sleep-sounds","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":"D","to":null,"reason":"rank shift: #42, below the tiered top 40","job":"rescore"},{"id":101440,"at":"2026-10-15T09:28:36.035Z","kind":"tier_changed","list":"white-noise","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":"C","to":"S","reason":"score 69 to 92","job":"rescore"},{"id":98909,"at":"2026-10-15T07:28:36.151Z","kind":"tier_changed","list":"white-noise","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":null,"to":"C","reason":"score 69","job":"rescore"},{"id":98739,"at":"2026-10-15T07:28:36.151Z","kind":"tier_changed","list":"sleep-sounds","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":null,"to":"D","reason":"score 69","job":"rescore"},{"id":97002,"at":"2026-10-15T06:58:36.036Z","kind":"tier_changed","list":"nature-sounds","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":null,"to":"C","reason":"score 69","job":"rescore"},{"id":94670,"at":"2026-10-15T06:20:53.125Z","kind":"membership_added","list":"white-noise","app_store_id":888963581,"app":"white-noise-hq-sound-machine-888963581","from":null,"to":"active","reason":"Named \"White Noise HQ: sound machine\"; 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